Fig.3From: Artificial neural network for cytocompatibility and antibacterial enhancement induced by femtosecond laser micro/nano structuresMicro/nano-structure evolution. a Femtosecond laser single irradiated spots on Ti6Al4V with different radiation fluence: 0.35Â J/cm2, 1.39Â J/cm2, and 2.43Â J/cm2. b The morphological evolution from LIPSS to micro-cone on Ti6Al4V by femtosecond laser single line irradiation (0.7Â J/cm2, 300Â kHz, 10 times) with the scan speed decreasing. b Evolution of the size of micro-cone by femtosecond laser parallel irradiation (0.7Â J/cm2, 300Â kHz, 1000Â mm/s) with different scan times (30, 50, and 70, respectively)Back to article page